вставить глаголы в нужной форме: Melanie Stewart (say) that young teens (experiment) with alcohol for a variety of reasons. She (explain) that some teens (start) because they (associate) drinking with adulthood. Some teenagers (tell) her that the more teachers and parents (warn) them not to drink the more eager they (be) to try it. She (add) that probably the most powerful influence on young teens (be) their mates. She (say) that curiosity (may be) the most frequent motive for drinking alcohol. She also (mention) that teenagers (complain) about stress at school. She (agree) that schools (must be) the most important source on information on the dangers of alcohol.

Melanie Stewart said that young teens experimented with alcohol for a variety of reasons. She explained that some teens started because they associated drinking with adulthood. Some teenagers told her that the more teachers and parents had warned them not to drink the more eager they had been to try it. She added that probably the most powerful influence on young teens were their mates. She said that curiosity might be the most frequent motive for drinking alcohol. She also mentioned that teenagers complained about stress at school. She agreed that schools must be the most important source of information on the dangers of alcohol.

*Глагольные формы, приведенные выше, используются при образовании косвенной речи, однако если представить данный текст, как выдержку из газетной статьи, то допустимо также использование времени Present Simple "Melanie Stewart says that young teens experiment with alcohol for a variety of reasons ..."